List of top Biology Questions

Which hormone is secreted in response to high blood sugar levels?
In plants, which structure is mainly responsible for the absorption of water and minerals?
Which blood component is responsible for clotting?
Which part of the human brain is responsible for maintaining posture and balance?
Explain the structure of a mature embryo sac of a typical flowering plant.
The genetic material in bacteriophages is:
Which organelle is known as the powerhouse of the cell?
Bacterium that is responsible for the formation of curd is:
Which of the following enzymes is secreted by the stomach and helps in protein digestion?
Which among the following diseases is caused by a protozoan?
What is the primary function of xylem tissue in plants?
What is the chromosome number in human gametes?
Which among the following is not a connective tissue?
Which among the following diseases is not caused by bacteria?
Which blood vessel carries oxygenated blood from the lungs to the heart?
Which of the following organisms exhibits alternation of generations?
Which of the following is the structural and functional unit of the kidney?
In a chloroplast, which of the following sites trap solar energy?
For absorbing plant juices an Aphid pierces its proboscis into which part of the plant?
What is the \% of carbon dioxide in the inhaled and exhaled air?
Which process is summarized by the following equation? \[ 6CO_2 + 12H_2O \xrightarrow[\text{Chlorophyll}]{\text{Light energy}} C_6H_{12}O_6 + 6H_2O + 6O_2 \]
Deficiency of which vitamin delays blood clotting in man?
What is the liquid portion that forms after the blood clot?
Which of the following are water soluble vitamins?
The process of mastication of the food in the mouth leads to the formation of which substance?